Initial flame_lua_runtime package

example/assets/games/showcase/scripts/i18n.lua

@@ -0,0 +1,151 @@
+local state = runtime.import("state")
+
+---@class ShowcaseI18n
+local i18n = {}
+
+local fallback_locale = "zh-Hans"
+
+local messages = {
+  ["zh-Hans"] = {
+    app_title = "Lua Runtime Showcase",
+    app_subtitle = "仿 Cocos Showcase：左侧管理所有示例，右侧查看说明并直接运行。",
+    examples_title = "Examples",
+    preview_title = "Preview / Runtime Stage",
+    tab_code = "代码",
+    tab_params = "参数",
+    copy_code = "复制代码",
+    copy_params = "复制参数",
+    selected_prefix = "已选择示例：",
+    status_ready = "点击按钮查看 RuntimeEvent -> Lua -> Diff / Command 示例",
+    i18n_current = "当前语言",
+    i18n_zh = "中文文案：运行时只传 locale，翻译由 Lua 包管理。",
+    i18n_en = "English copy: Lua owns text resources and fallback policy.",
+    i18n_switched = "已切换语言：",
+    responsive_title = "分辨率适配",
+    responsive_design = "设计分辨率",
+    responsive_screen = "屏幕",
+    responsive_viewport = "视口",
+    responsive_phone = "模拟手机宽度",
+    responsive_tablet = "模拟平板宽度",
+    responsive_desktop = "模拟桌面宽度"
+  },
+  en = {
+    app_title = "Lua Runtime Showcase",
+    app_subtitle = "Cocos-style showcase: select examples on the left, inspect and run them on the right.",
+    examples_title = "Examples",
+    preview_title = "Preview / Runtime Stage",
+    tab_code = "Code",
+    tab_params = "Params",
+    copy_code = "Copy code",
+    copy_params = "Copy params",
+    selected_prefix = "Selected example: ",
+    status_ready = "Tap actions to inspect RuntimeEvent -> Lua -> Diff / Command.",
+    i18n_current = "Current locale",
+    i18n_zh = "中文文案：运行时只传 locale，翻译由 Lua 包管理。",
+    i18n_en = "English copy: Lua owns text resources and fallback policy.",
+    i18n_switched = "Locale switched: ",
+    responsive_title = "Responsive Layout",
+    responsive_design = "Design",
+    responsive_screen = "Screen",
+    responsive_viewport = "Viewport",
+    responsive_phone = "Simulate phone width",
+    responsive_tablet = "Simulate tablet width",
+    responsive_desktop = "Simulate desktop width"
+  }
+}
+
+---@param locale? string
+---@return string
+local function normalize(locale)
+  if locale == nil or locale == "" then
+    return fallback_locale
+  end
+  if messages[locale] ~= nil then
+    return locale
+  end
+
+  local language = string.match(locale, "^([A-Za-z]+)")
+  if language ~= nil and messages[language] ~= nil then
+    return language
+  end
+  return fallback_locale
+end
+
+---@param ctx? RuntimeContext
+function i18n.apply_context(ctx)
+  local locale = fallback_locale
+  if ctx ~= nil and ctx.locale ~= nil and ctx.locale.resolved ~= nil then
+    locale = ctx.locale.resolved
+  end
+  state.locale = normalize(locale)
+end
+
+---@param locale string
+function i18n.set_locale(locale)
+  state.locale = normalize(locale)
+end
+
+---@return string
+function i18n.toggle_locale()
+  if state.locale == "en" then
+    state.locale = "zh-Hans"
+  else
+    state.locale = "en"
+  end
+  return state.locale
+end
+
+---@return string
+function i18n.current_locale()
+  return normalize(state.locale)
+end
+
+---@param key string
+---@return string
+function i18n.t(key)
+  local locale = normalize(state.locale)
+  local bundle = messages[locale] or messages[fallback_locale]
+  return bundle[key] or messages[fallback_locale][key] or key
+end
+
+---@param example ShowcaseExample
+---@param field string
+---@return string
+function i18n.example_field(example, field)
+  if i18n.current_locale() == "en" then
+    local en_value = example[field .. "_en"]
+    if en_value ~= nil and en_value ~= "" then
+      return en_value
+    end
+  end
+  return example[field]
+end
+
+---@param example ShowcaseExample
+---@return string
+function i18n.example_label(example)
+  return i18n.example_field(example, "menu")
+end
+
+---@param example ShowcaseExample
+---@return string
+function i18n.example_params(example)
+  return i18n.example_field(example, "params")
+end
+
+---@param example ShowcaseExample
+---@return string
+function i18n.example_group(example)
+  return i18n.example_field(example, "group")
+end
+
+---@param action ShowcaseAction
+---@return string
+function i18n.action_text(action)
+  if i18n.current_locale() == "en" and action.text_en ~= nil and action.text_en ~= "" then
+    return action.text_en
+  end
+  return action.text
+end
+
+return i18n